1915-16.] Trachytes of Clyde Carboniferous Lava-Plateaus. 297 
Table I. 
1 . 
2. 
3. 
4. 
5. 
6. 
7. 
8. 
9. 
i 2 
Si0 2 . 
61 T9 
66-60 
58-47 
57*98 
60T1 
6230 
69-00 
69-48 
Ti0 2 
1-83 
•55 
217 
•20 
•96 
tr. 
•35 
T4 
A1 9 0 3 . 
14-20 
12-95 
18-60 
17-92 
19*01 
17-05 
13-95 
11-99 
Fe 2 0 3 . 
8-08 
7-25 
1-92 
4-23 
4 63 
1-30 
1-56 
2-54 
FeO 
249 
•83 
4-77 
2-72 
•37 
246 
2-38 
2-46 
MnO . 
' n.d. 
n.d. 
T9 
•21 
tr. 
•55 
•20 
MgO . 
•50 
•76 
•94 
•34 
•23 
•57 
T4 
1*16 
CaO 
1-74 
1-41 
•99 
2T2 
•66 
1-20 
•49 
1-72 
Na 2 0 
6-64 
6T4 
.5-85 
5-52 
4-42 
6-99 
6-53 
5T4 
5-67 
333 
K 2 0 
1-80 
3-10 
2-71 
3-30 
4-33 
5-24 
5*36 
6T8 
5T1 
4*01 
h 2 o+ . 
H„0- . 
| 1-58 
•46 
•49 
2T9 
•50 
1-76 
•64 
| 1-37 
| -45 
| -70 
1-56 
•32 
co 2 . 
•04 
... 
n.f. 
84 
2-65 
1-34 
P 2 0 5 . 
’•08 
•45 
... 
•08 
0-8 
(BaSr)O . 
•04 
| 
# * * i 
n.f. 
n.f. 
Cl 
•02 
1 
Li 2 0 
tr. 
? tr. 
tr. 
FeS 
•43 
•05 
(CoNi)O. 
•03 
100T3 
100-54 
100T1 
100-43 
100-07 
99-73 
99-95 
100-41 
1. Albite-bostonite ( Umptekose-Pantellerose , TI. 4(5). T. 4(5)), lava, lenticle enclosed 
in Tertiary composite sill, Uamh Capuill, South Bute. W. R. Smellie, “ The 
Igneous Rocks of Bute,” Trans. Geol. Soc. Glasgow , xv, pt. iii, 1916, p. 359. 
Analyst, A. Stevens, M.A., B.Sc. 
2. Albite-bostonite ( Kallerudose- Panteller ose , (I)II. 4. 1. 4), lava, flow near Loch- 
na-Leighe, South Bute. Smellie, op. cit ., p. 359. Analyst, J. V. Harrison, 
M.A., B.Sc. 
3. Albite-bostonite, dyke, March Burn, Kilsyth Hills. J. V. Harrison, “Geology 
of the East Kilsyth Hills,” Trans. Geol. Soc. Glasgow , xv, pt. iii, 1916, p. 326. 
Analyst, J. V. Harrison. 
4. Albite-trachyte ( Umptekose-Pantellerose. , (I)II. 4(5). 1. 4), lava, north cliff of Skomer 
Island, Pembrokeshire. H. H. Thomas, “The Skomer Volcanic Series,” 
Q.J.G.S. , vol. lxvii, 1911, p. 192. Analyst, E. G. Radley. 
5. Bostonite, sill, Barbay, Great Cumbrae, Firth of Clyde. Analyst, J. V. Harrison. 
Analysis hitherto unpublished. 
6. Nepheline-phonolite ( Nordmarkose-Umptekose , (I)II. 5'. 1. '4), intrusion, Newtown 
of Fintry, Stirlingshire. Mem. Geol. Surv. : The Geol. of the Glasgow District , 
1911, p. 144. Analyst, E. G. Radley. 
7. Bostonite ( Phlegrose-Nordmarkose , T. 5. 1. (3)4), Tutvet, Hedrum, Norway. W. C. 
Brogger, Des Ganggefolge des Laurdalits , 1897, p. 243. 
8. Lindoite ( Pulaskose-Phlegrose , I'. 5. 1(2). 3), Gjefsen, Kirchspiel Gran, Kristiania, 
Norway. W. C. Brogger, Die Gesteine des Grorudit-Tinguait Series , 1894, 
p. 131. Analyst, Schmelk. 
9. Quartz-lindoite ( Kallerudose- Liyar ose , I(II). 4'. 1. 3(4)), Fron, Kristiania, Norway. 
W. C. Brogger, ibid., p. 139. Analyst, Schmelk. 
10. Felsite ( Adamellose-Toscanose , 1(11). '4. '2. 3), dyke, 700 yards S.S.E. of cairn 
on Lairs, 1| miles north of Lennoxtown, Stirlingshire. Mem,. Geol. Surv. : 
Geol. of Glasgow District, 1911, p. 145. Analyst, E. G. Radley. 
